AS7C256-12PC Alliance Semiconductor, AS7C256-12PC Datasheet
AS7C256-12PC
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AS7C256-12PC Summary of contents
Page 1
... September 2004 Features • Pin compatible with AS7C256 • Industrial and commercial temperature options • Organization: 32,768 words × 8 bits • High speed - 10/12/15/20 ns address access time - output enable access time • Very low power consumption: ACTIVE - 412.5 mW max @ 10 ns • Very low power consumption: STANDBY - 11 mW max CMOS I/O • ...
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... I/O pins with the data word referenced by the input address. When chip enable or output enable is high, or write enable is low, output drivers stay in high-impedance mode. All chip inputs and outputs are TTL-compatible. Operation is from a single 5.0 ±0.5V supply. The AS7C256A is packaged in high volume industry standard packages. ...
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... CC – 2.0 – = Min – 0.4 – Min 2.4 – 2 NOMINAL) CC Symbol Signals C A, CE, WE I/O I/O Alliance Semiconductor AS7C256A Typical Max 5.0 5.5 – V +0.5 CC – 0.8 0 – 70 – 85 -15 -20 Unit Notes 1 – 1 – 1 µA 1 – 1 – ...
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... OLZ t – 3 – 3 OHZ t 0 – 0 – – 10 – Falling input 2,5,6 Data valid 2,5,7 OLZ Data valid 50% Alliance Semiconductor AS7C256A -15 -20 Min Max Min Max Unit Notes 15 – 20 – ns – 15 – – 15 – – 7 – – 3 – – 3 – ns – ...
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... – 0 – – 5 – – 3 – Data valid Data valid Alliance Semiconductor AS7C256A -15 -20 Min Max Min Max Unit 15 – 20 – 10 – 12 – 10 – 12 – 0 – 0 – 9 – 12 – 0 – 0 – 0 – 0 – 8 – 10 – 0 – 0 – – 7 – ...
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... C=30pF, except on High Z and Low Z parameters, where C=5pF. 9/24/04; v.1.2 ® See Figure A. +5.0V 480 D out Ω 255 C GND Figure B: Output load required to meet I specification Alliance Semiconductor AS7C256A Thevenin equivalent Ω Ω 168 10 D +1.72V out ± 500mV from steady-state voltage ...
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... Package diagrams 28-pin SOJ D e Pin 1 A2 28-pin TSOP1 9/24/04; v.1.2 ® Alliance Semiconductor AS7C256A 28-pin SOJ Min in inches A 0.128 A A1 0.026 A2 0.095 Seating Plane B 0.026 b 0.016 c 0.007 D 0.720 E 0.255 E1 0.295 E2 0.330 e 0.050 BSC 28-pin TSOP1 8×13 Min A 1.00 A1 0. ...
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... Package / Access time Commercial Plastic SOJ, 300 mil Industrial Commercial TSOP 8x13.4mm Industrial Note: Add suffix ‘N’to the above part number for lead free parts. (Ex. AS7C256A-10JIN) Part numbering system AS7C 256A –XX SRAM prefix Device number Access time 9/24/04; v.1.2 ® ...
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... Alliance products in such life- supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify Alliance against all claims arising from such use. ® Copyright © Alliance Semiconductor All Rights Reserved Part Number: AS7C256A Document Version: v.1.2 AS7C256A ...